DESTDIR ?=
PREFIX ?= /usr/local
EXEC_PREFIX ?= $(PREFIX)
BINDIR ?= $(DESTDIR)$(EXEC_PREFIX)/bin

CFLAGS += -Os -g -Wall -Wextra -pedantic
CPPFLAGS +=
LDFLAGS +=

BINS := ethertype-dump arp-request ethermess

.SUFFIXES:
.SUFFIXES: .c .o

.PHONY: all install uninstall clean distclean

all: $(BINS)

ethertype-dump: ethertype-dump.o
	$(CC) -o $@ $< $(LDFLAGS)

arp-request: arp-request.o
	$(CC) -o $@ $< $(LDFLAGS)

ethermess: ethermess.o
	$(CC) -o $@ $< $(LDFLAGS)

.c.o:
	$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<

install: $(BINS)
	install $(BINS) $(BINDIR)

uninstall:
	cd $(BINDIR) && rm $(BINS)

clean:
	rm -f ethertype-dump *.o

distclean: clean